A:
There are those who suspect Wildflower Center volunteers are the culpable
and capable culprits. Yet, others think staff members play some, albeit small, role. You
can torture us with your plant questions, but we will never reveal the Green
Guru's secret identity.

But, perhaps you were thinking of the Iris germanica, bearded iris. This USDA Plant Profile link refers to the I. germanica as "introduced"; that is, not native to North America. The USDA Plant Distribution Map at the same web location does not show Texas as one of the states where it is distributed. Of course, we know that many gardeners grow it here, but that perhaps gives us a clue to why it seems hard to do so. This site from Floridata will give you more information on the culture of I. germanica. It apparently began as a natural hybrid between I. pallida and I.variegata. Iris germanica is thought to be native to Southern Europe and the Meditteranean, and other species from Europe and Asia have been brought into the breeding, but it has become established all over the temperate world and can be found on road shoulders and old home sites throughout much of the United States and Europe. There are literally thousands of different irises, many of them with commercial cultivar names.

Now, we begin to see the value of using native plants, as promoted by the Lady Bird Johnson Wildflower Center. When you are dealing with a hybridized and/or non-native plant, you have no idea what characteristics it has bred into it, nor of the ideal way to grow it. With plants native to the area in which you are gardening, you don't have to make as many adjustments in water, fertilizer or even soil content, because you likely already have good conditions for the native plant to flourish.

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